The IP address 55.91.91 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 55.0.0.0/8 (range 55.0.0.0 to 55.255.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 55.0.0.0 |
| IP ending by | 55.255.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 55.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 02/01/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Fort Huachuca | 31.5565 | -110.3506 | 2018-01-01 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2018-01-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.91.91.0 | 928733952 | 0 |
| 55.91.91.1 | 928733953 | 0 |
| 55.91.91.2 | 928733954 | 0 |
| 55.91.91.3 | 928733955 | 0 |
| 55.91.91.4 | 928733956 | 0 |
| 55.91.91.5 | 928733957 | 0 |
| 55.91.91.6 | 928733958 | 0 |
| 55.91.91.7 | 928733959 | 0 |
| 55.91.91.8 | 928733960 | 0 |
| 55.91.91.9 | 928733961 | 0 |
| 55.91.91.10 | 928733962 | 0 |
| 55.91.91.11 | 928733963 | 0 |
| 55.91.91.12 | 928733964 | 0 |
| 55.91.91.13 | 928733965 | 0 |
| 55.91.91.14 | 928733966 | 0 |
| 55.91.91.15 | 928733967 | 0 |
| 55.91.91.16 | 928733968 | 0 |
| 55.91.91.17 | 928733969 | 0 |
| 55.91.91.18 | 928733970 | 0 |
| 55.91.91.19 | 928733971 | 0 |
| 55.91.91.20 | 928733972 | 0 |
| 55.91.91.21 | 928733973 | 0 |
| 55.91.91.22 | 928733974 | 0 |
| 55.91.91.23 | 928733975 | 0 |
| 55.91.91.24 | 928733976 | 0 |
| 55.91.91.25 | 928733977 | 0 |
| 55.91.91.26 | 928733978 | 0 |
| 55.91.91.27 | 928733979 | 0 |
| 55.91.91.28 | 928733980 | 0 |
| 55.91.91.29 | 928733981 | 0 |
| 55.91.91.30 | 928733982 | 0 |
| 55.91.91.31 | 928733983 | 0 |
| 55.91.91.32 | 928733984 | 0 |
| 55.91.91.33 | 928733985 | 0 |
| 55.91.91.34 | 928733986 | 0 |
| 55.91.91.35 | 928733987 | 0 |
| 55.91.91.36 | 928733988 | 0 |
| 55.91.91.37 | 928733989 | 0 |
| 55.91.91.38 | 928733990 | 0 |
| 55.91.91.39 | 928733991 | 0 |
| 55.91.91.40 | 928733992 | 0 |
| 55.91.91.41 | 928733993 | 0 |
| 55.91.91.42 | 928733994 | 0 |
| 55.91.91.43 | 928733995 | 0 |
| 55.91.91.44 | 928733996 | 0 |
| 55.91.91.45 | 928733997 | 0 |
| 55.91.91.46 | 928733998 | 0 |
| 55.91.91.47 | 928733999 | 0 |
| 55.91.91.48 | 928734000 | 0 |
| 55.91.91.49 | 928734001 | 0 |
| 55.91.91.50 | 928734002 | 0 |
| 55.91.91.51 | 928734003 | 0 |
| 55.91.91.52 | 928734004 | 0 |
| 55.91.91.53 | 928734005 | 0 |
| 55.91.91.54 | 928734006 | 0 |
| 55.91.91.55 | 928734007 | 0 |
| 55.91.91.56 | 928734008 | 0 |
| 55.91.91.57 | 928734009 | 0 |
| 55.91.91.58 | 928734010 | 0 |
| 55.91.91.59 | 928734011 | 0 |
| 55.91.91.60 | 928734012 | 0 |
| 55.91.91.61 | 928734013 | 0 |
| 55.91.91.62 | 928734014 | 0 |
| 55.91.91.63 | 928734015 | 0 |
| 55.91.91.64 | 928734016 | 0 |
| 55.91.91.65 | 928734017 | 0 |
| 55.91.91.66 | 928734018 | 0 |
| 55.91.91.67 | 928734019 | 0 |
| 55.91.91.68 | 928734020 | 0 |
| 55.91.91.69 | 928734021 | 0 |
| 55.91.91.70 | 928734022 | 0 |
| 55.91.91.71 | 928734023 | 0 |
| 55.91.91.72 | 928734024 | 0 |
| 55.91.91.73 | 928734025 | 0 |
| 55.91.91.74 | 928734026 | 0 |
| 55.91.91.75 | 928734027 | 0 |
| 55.91.91.76 | 928734028 | 0 |
| 55.91.91.77 | 928734029 | 0 |
| 55.91.91.78 | 928734030 | 0 |
| 55.91.91.79 | 928734031 | 0 |
| 55.91.91.80 | 928734032 | 0 |
| 55.91.91.81 | 928734033 | 0 |
| 55.91.91.82 | 928734034 | 0 |
| 55.91.91.83 | 928734035 | 0 |
| 55.91.91.84 | 928734036 | 0 |
| 55.91.91.85 | 928734037 | 0 |